Significant Payors (Revenue by Geographic Location) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Net service revenues	$ 169,803	$ 137,716	$ 458,749	$ 378,449
Personal Care [Member]
Net service revenues	154,563	128,179	421,458	362,740
Personal Care [Member] | Revenues [Member] | Geographic Concentration Risk [Member]
Net service revenues	$ 154,563	$ 128,179	$ 421,458	$ 362,740
Concentration risk, percentage	100.00%	100.00%	100.00%	100.00%
Personal Care [Member] | Revenues [Member] | Geographic Concentration Risk [Member] | Illinois [Member]
Net service revenues	$ 61,958	$ 58,948	$ 179,444	$ 174,591
Concentration risk, percentage	40.10%	46.00%	42.50%	48.20%
Personal Care [Member] | Revenues [Member] | Geographic Concentration Risk [Member] | New York [Member]
Net service revenues	$ 34,913	$ 16,814	$ 75,746	$ 47,999
Concentration risk, percentage	22.60%	13.10%	18.00%	13.20%
Personal Care [Member] | Revenues [Member] | Geographic Concentration Risk [Member] | New Mexico [Member]
Net service revenues	$ 19,662	$ 16,013	$ 55,006	$ 42,594
Concentration risk, percentage	12.70%	12.50%	13.10%	11.70%
Personal Care [Member] | Revenues [Member] | Geographic Concentration Risk [Member] | All Other States [Member]
Net service revenues	$ 38,030	$ 36,404	$ 111,262	$ 97,556
Concentration risk, percentage	24.60%	28.40%	26.40%	26.90%
Hospice [Member]
Net service revenues	$ 10,874	$ 7,116	$ 27,228	$ 11,765
Hospice [Member] | Revenues [Member] | Geographic Concentration Risk [Member]
Net service revenues	$ 10,874	$ 7,116	$ 27,228	$ 11,765
Concentration risk, percentage	100.00%	100.00%	100.00%	100.00%
Hospice [Member] | Revenues [Member] | Geographic Concentration Risk [Member] | New Mexico [Member]
Net service revenues	$ 10,874	$ 7,116	$ 27,228	$ 11,765
Concentration risk, percentage	100.00%	100.00%	100.00%	100.00%
Home Health [Member]
Net service revenues	$ 4,366	$ 2,421	$ 10,063	$ 3,944
Home Health [Member] | Revenues [Member] | Geographic Concentration Risk [Member]
Net service revenues	$ 4,366	$ 2,421	$ 10,063	$ 3,944
Concentration risk, percentage	100.00%	100.00%	100.00%	100.00%
Home Health [Member] | Revenues [Member] | Geographic Concentration Risk [Member] | New Mexico [Member]
Net service revenues	$ 4,366	$ 2,421	$ 10,063	$ 3,944
Concentration risk, percentage	100.00%	100.00%	100.00%	100.00%